{"id":15186,"date":"2023-03-13T06:08:11","date_gmt":"2023-03-13T06:08:11","guid":{"rendered":"https:\/\/ingenieros-im3.com\/?p=15186"},"modified":"2023-03-13T06:12:22","modified_gmt":"2023-03-13T06:12:22","slug":"kirchhoffs-199th-anniversary","status":"publish","type":"post","link":"https:\/\/www.ingenieros-im3.com\/en\/noticias-en\/kirchhoffs-199th-anniversary\/","title":{"rendered":"Kirchhoff&#8217;s 199th Anniversary"},"content":{"rendered":"\n\t\t<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-15186 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.ingenieros-im3.com\/wp-content\/uploads\/2023\/03\/Kirchhoff.png'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.ingenieros-im3.com\/wp-content\/uploads\/2023\/03\/Kirchhoff-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/www.ingenieros-im3.com\/wp-content\/uploads\/2023\/03\/Kirchhoff-150x150.png 150w, https:\/\/www.ingenieros-im3.com\/wp-content\/uploads\/2023\/03\/Kirchhoff-570x570.png 570w, https:\/\/www.ingenieros-im3.com\/wp-content\/uploads\/2023\/03\/Kirchhoff-500x500.png 500w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><strong>Busbars, the materialization of nodes in power grids<\/strong>Today we celebrate the 199th anniversary of the German physicist Gustav Kirchhoff, who was born on March 12, 1824, famous for his corollaries known as Kirchhoff&#8217;s Laws:<\/p>\n<ul>\n<li><strong>Law of tensions: <\/strong>The algebraic sum of the potential differences (voltages, tensions) in a mesh is equal to zero.<\/li>\n<li><strong>Law of currents:<\/strong> The algebraic sum of all currents in an electrical node is equal to zero.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>In electrical substations, the electrical nodes (convergence of three or more circuits) materialize as conductors stressed gantries frames that we call busbars (<em>barra<\/em> in Spanish,<em> barramento <\/em>in Portuguese), to which the different circuits are connected.<\/p>\n<p>The busbars are critical elements due to the high short-circuit current that is generated during the occurrence of a fault and the need to trip all the circuit breakers that converge on it in order to isolate it from the system.<\/p>\n<p>The fault in a busbar can be produced by different causes, the main ones being: the detachment of a conductor, the appearance of electric arcs in HV equipment, and wrong grounding manoeuvre of energized busbars.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Busbars, the materialization of nodes in power grids<\/p>\n","protected":false},"author":897,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[6,56],"tags":[],"class_list":["post-15186","post","type-post","status-publish","format-gallery","hentry","category-noticias-en","category-anniversary","post_format-post-format-gallery"],"_links":{"self":[{"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/posts\/15186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/users\/897"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/comments?post=15186"}],"version-history":[{"count":2,"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/posts\/15186\/revisions"}],"predecessor-version":[{"id":15188,"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/posts\/15186\/revisions\/15188"}],"wp:attachment":[{"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/media?parent=15186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/categories?post=15186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ingenieros-im3.com\/en\/wp-json\/wp\/v2\/tags?post=15186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}